Low Floor

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2011-09-23
Personnel : B.G., T.S. & B.L.
Temperature (°F) : 68 Humidity (%) : 94
Wind Speed (mph) : Wind Direction :
Barometric Pressure (in.Hg) : 30.06
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by T.S.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 37.1

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 70.5 1 68.9
2 69.5 2 69.0
3 69.1 3 69.0
4 69.7 4 69.1
5 69.6 5 69.1
Average of two highest actual noise levels = 70.1 dB(A) Average of two highest actual noise levels = 69.1 dB(A)